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Description

A vulnerability was determined in NousResearch hermes-agent up to 2026.4.30. Affected is the function _serve_plugin_skill/skill_view of the file tools/skills_tool.py. Executing a manipulation can lead to injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2026-05-31 | Published 2026-06-01 | Updated 2026-06-02 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Injection

Improper Neutralization

Product status

2026.4.0
affected

2026.4.1
affected

2026.4.2
affected

2026.4.3
affected

2026.4.4
affected

2026.4.5
affected

2026.4.6
affected

2026.4.7
affected

2026.4.8
affected

2026.4.9
affected

2026.4.10
affected

2026.4.11
affected

2026.4.12
affected

2026.4.13
affected

2026.4.14
affected

2026.4.15
affected

2026.4.16
affected

2026.4.17
affected

2026.4.18
affected

2026.4.19
affected

2026.4.20
affected

2026.4.21
affected

2026.4.22
affected

2026.4.23
affected

2026.4.24
affected

2026.4.25
affected

2026.4.26
affected

2026.4.27
affected

2026.4.28
affected

2026.4.29
affected

2026.4.30
affected

Timeline

2026-05-31:Advisory disclosed
2026-05-31:VulDB entry created
2026-05-31:VulDB entry last update

Credits

Eric-j (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/367499 (VDB-367499 | NousResearch hermes-agent skills_tool.py skill_view injection) vdb-entry technical-description

vuldb.com/vuln/367499/cti (VDB-367499 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-10220 (CVE-2026-10220 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/822018 (Submit #822018 | NousResearch hermes-agent <= v2026.4.30 Improper Input Validation (CWE-20)) third-party-advisory

gist.github.com/YLChen-007/9dd399c6f75b31fa741a613dfd41de08 exploit

cve.org (CVE-2026-10220)

nvd.nist.gov (CVE-2026-10220)

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